Many of the surrounding mill towns were laid to waste by unemployment. The contemporary cityīy the late 1970s and early ’80s, the steel industry had virtually disappeared-a result of foreign competition and decreased demand. In 1957 it became the first American city to generate electricity by nuclear power. ![]() After the war, however, the city undertook an extensive redevelopment program that emphasized smoke-pollution control, flood prevention, and sewage disposal. During the period of economic and population growth, Pittsburgh had come to epitomize the grimy, polluted industrial city. Most citizens were still of European ancestry, but the growing African American proportion of the population exceeded one-fourth. The population crested at more than 675,000 in 1950, after which it steadily declined by the end of the century, it had returned almost to the 1900 level. Growth continued nearly unabated through World War II, the war years bringing a particularly great boon for the economy. Following the American Revolution, the town became an outfitting point for settlers traveling westward down the Ohio River.īy 1900 the city’s population had reached 321,616. Pittsburgh was laid out (1764) by John Campbell in the area around the fort (now the Golden Triangle). Settlers began arriving after Native American forces led by Ottawa chief Pontiac were defeated in 1763 an agreement subsequently was made between Native American groups and the Penn family, and a boundary dispute was ended between Pennsylvania and Virginia. The British built Fort Pitt (1761) to ensure their dominance at the source of the Ohio. Forbes named the site for the British statesman William Pitt the Elder. The conflict between the British and French over territorial claims in the area was settled in 1758 when General John Forbes and his British and colonial army expelled the French from Fort Duquesne (built 1754). HistoryĪlgonquian- and Iroquoian-speaking peoples were early inhabitants of the region. Area city, 58 square miles (150 square km). A city of hills, parks, and valleys, it is the centre of an urban industrial complex that includes the surrounding cities of Aliquippa (northwest), New Kensington (northeast), McKeesport (southeast), and Washington (southwest) and the borough of Wilkinsburg (east). The city is located at the confluence of the Allegheny and Monongahela rivers, which unite at the point of the “ Golden Triangle” (the business district) to form the Ohio River. Pittsburgh, city, seat (1788) of Allegheny county, southwestern Pennsylvania, U.S. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.100 Women Britannica celebrates the centennial of the Nineteenth Amendment, highlighting suffragists and history-making politicians.COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more. ![]() This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.
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